1084997761 has 2 divisors, whose sum is σ = 1084997762. Its totient is φ = 1084997760.

The previous prime is 1084997743. The next prime is 1084997779. The reversal of 1084997761 is 1677994801.

It is a balanced prime because it is at equal distance from previous prime (1084997743) and next prime (1084997779).

It can be written as a sum of positive squares in only one way, i.e., 878529600 + 206468161 = 29640^2 + 14369^2 .

It is a cyclic number.

It is not a de Polignac number, because 1084997761 - 2¹¹ = 1084995713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1084997699 and 1084997708.

It is not a weakly prime, because it can be changed into another prime (1084997741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542498880 + 542498881.

It is an arithmetic number, because the mean of its divisors is an integer number (542498881).

Almost surely, 2^1084997761 is an apocalyptic number.

It is an amenable number.

1084997761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084997761 is an equidigital number, since it uses as much as digits as its factorization.

1084997761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 52.

The square root of 1084997761 is about 32939.3041972656. The cubic root of 1084997761 is about 1027.5657351243.

The spelling of 1084997761 in words is "one billion, eighty-four million, nine hundred ninety-seven thousand, seven hundred sixty-one".